One half mole of a monoatomic ideal gas absorbs 1200 j of heat energy while performing 2196 j of work. The temperature of the gas changes by
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The temperature change of the given monoatomic ideal gas, ΔT, calculated is .
Explanation:
Data given,
The heat absorbed by the monoatomic ideal gas, ΔH =
The work done on the system by a monoatomic ideal gas, ΔW =
The number of moles of monoatomic gas, n =
The temperature change of the given monoatomic ideal gas, ΔT =?
Now, from the relation given below, we can find out the enthalpy:
- ΔU =
Now, we know that;
- ΔU =
Here, = heat capacity at constant volume
And for monoatomic gas = ( R = Raydberg's constant = )
Therefore, the equation becomes:
- ΔU =
- =
Hence, the temperature change of the given monoatomic ideal gas, ΔT = .
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